Kazuo Komatsubara (??? ?? or ??? ??, Komatsubara Kazuo, December 24, 1943 – March 24, 2000) was a Japanese animator, animation director and character designer born in Yokohama, Kanagawa Prefecture, Japan.
He worked as an independently contracted character designer for Toei Animation in the 1970s and 1980s.
He was a member of the board of directors of animation studio Oh! Production (which he helped found along with Norio Shioyama, Koichi Murata, and Koshin Yonekawa).
He died on March 24, 2000 due to a cancerous tumor on his neck.